OpenText Investor Day Presentation Deck

Proven Durable Business Model ARR % of Total Revenues (2) A-EBITDA Margin opentext™ Growing ARR(1) and Upper Quartile Margin(2), (3) 54.4% 29.1% FY'12 FY'13 FY'14 FY'15 FY'16 FY'17 FY'18 FY'19 FY'20 FY'21 80.9% 37.2% TTM Q2 FY'22 1. Annual recurring revenue (ARR) is defined as the sum of cloud services and subscriptions revenue and customer support revenue. 2. Please refer to "Use of Non-GAAP Financial Measures" in the Q2 FY'22 investor presentation (Feb 3, 2022) and "Reconciliation of selected GAAP-based measures to Non-GAAP-based measures" included within our current and historical filings on Forms 10-Q, 10-K and 8-K. 3. Refer to note 1 of our Fiscal 2019 10-K for details on the impact of recently adopted accounting standards on prior period results. FY'22 Model: 81% - 83% FY'22 Model: 35.5% - 36.5% OpenText ©2022 All rights reserved 89

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